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outline/app/models/Collection.js
2017-11-19 20:16:49 -08:00

145 lines
3.2 KiB
JavaScript

// @flow
import { extendObservable, action, computed, runInAction } from 'mobx';
import invariant from 'invariant';
import _ from 'lodash';
import BaseModel from 'models/BaseModel';
import { client } from 'utils/ApiClient';
import stores from 'stores';
import ErrorsStore from 'stores/ErrorsStore';
import type { NavigationNode } from 'types';
class Collection extends BaseModel {
isSaving: boolean = false;
hasPendingChanges: boolean = false;
errors: ErrorsStore;
data: Object;
createdAt: string;
description: ?string;
id: string;
name: string;
color: string;
type: 'atlas' | 'journal';
documents: Array<NavigationNode>;
updatedAt: string;
url: string;
/* Computed */
@computed
get entryUrl(): string {
return this.type === 'atlas' && this.documents.length > 0
? this.documents[0].url
: this.url;
}
@computed
get allowDelete(): boolean {
return true;
}
@computed
get isEmpty(): boolean {
return this.documents.length === 0;
}
/* Actions */
@action
fetch = async () => {
try {
const res = await client.post('/collections.info', { id: this.id });
invariant(res && res.data, 'API response should be available');
const { data } = res;
runInAction('Collection#fetch', () => {
this.updateData(data);
});
} catch (e) {
this.errors.add('Collection failed loading');
}
return this;
};
@action
save = async () => {
if (this.isSaving) return this;
this.isSaving = true;
const params = {
name: this.name,
color: this.color,
description: this.description,
};
try {
let res;
if (this.id) {
res = await client.post('/collections.update', {
id: this.id,
...params,
});
} else {
res = await client.post('/collections.create', params);
}
runInAction('Collection#save', () => {
invariant(res && res.data, 'Data should be available');
this.updateData(res.data);
this.hasPendingChanges = false;
});
} catch (e) {
this.errors.add('Collection failed saving');
return false;
} finally {
this.isSaving = false;
}
return true;
};
@action
delete = async () => {
try {
await client.post('/collections.delete', { id: this.id });
this.emit('collections.delete', {
id: this.id,
});
return true;
} catch (e) {
this.errors.add('Collection failed to delete');
}
return false;
};
@action
updateData(data: Object = {}) {
this.data = data;
extendObservable(this, data);
}
constructor(collection: Object = {}) {
super();
this.updateData(collection);
this.errors = stores.errors;
this.on('documents.delete', (data: { collectionId: string }) => {
if (data.collectionId === this.id) this.fetch();
});
this.on(
'collections.update',
(data: { id: string, collection: Collection }) => {
// FIXME: calling this.updateData won't update the
// UI. Some mobx issue
if (data.id === this.id) this.fetch();
}
);
this.on('documents.move', (data: { collectionId: string }) => {
if (data.collectionId === this.id) this.fetch();
});
}
}
export default Collection;